Articles | Volume 10, issue 2
https://doi.org/10.5194/esurf-10-329-2022
https://doi.org/10.5194/esurf-10-329-2022
Research article
 | 
04 Apr 2022
Research article |  | 04 Apr 2022

A geomorphic-process-based cellular automata model of colluvial wedge morphology and stratigraphy

Harrison J. Gray, Christopher B. DuRoss, Sylvia R. Nicovich, and Ryan D. Gold

Model code and software

GrainHill version 1.0 G. E. Tucker https://doi.org/10.5281/zenodo.1306961

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Short summary
Some types of big earthquakes create small cliffs or fault scarps ∼1–3 m in height, where sediments can pile up and create deposits we call colluvial wedges. Geologists will look at colluvial wedges and use them to understand how often big earthquakes occur. Here we made a computer simulation to find out if the way we think colluvial wedges form works with physics. We found that it does in theory, but there are conditions in which it may be more complicated than we expected.